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Browsing Saint Mary's Faculty Articles and Other Works by Author "Harper, Karen A., 1969-"
Now showing items 1-20 of 33
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(Urmia University, 2021-12)In order to introduce and application of DEI (Distance of Edge Influence) and MEI (Magnitude of Edge Influence) indices to determine the distance of edge effect and intensity of the edge effect on herbaceous species and ...
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(Taylor & Francis, 2009-11)Assisted re-vegetation is particularly difficult in subarctic and arctic ecosystems where the impact of anthropogenic activities can be extensive and natural plant regeneration is slow. The construction of a military base ...
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(Wiley Periodicals LLC, 2023-05-11)Many studies have focused on vegetation across forest edges to study impacts of edges created by human activities on forest structure and composition, or patterns of vegetation at inherent natural edges. Our objective was ...
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(Oxford University Press, 2021-09-04)Forest edges have been well studied in temperate and tropical forests, but less so in open canopy forests. We investigated edge influence on plant species diversity and soil properties in sparse oak forest fragments. Data ...
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(Wiley, 2017-04)Edge influence, characterized by differences in ecosystem characteristics between the edge and the interior of remnants in fragmented landscapes, affects a variety of organisms and ecosystem processes. An important feature ...
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(John Wiley & Sons Ltd., 2015-05)Summary 1. Although anthropogenic edges are an important consequence of timber harvesting, edges due to natural disturbances or landscape heterogeneity are also common. Forest edges have been well studied in temperate ...
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(Springer, 2012-10-02)Tundra and taiga ecosystems comprise nearly 40 % of the terrestrial landscapes of Canada. These permafrost ecosystems have supported humans for more than 4500 years, and are currently home to ca. 115,000 people, the majority ...
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(Internation Association of Vegetation ScienceWiley, 2016-05)Questions: What factors control broad-scale variation in edge length and three dimensional boundary structure for a large region extending across two biomes? What is the difference in structure between natural and anthropogenic ...
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(Springer, 2019-11-06)Landscape structure and crop management directly affect insect communities, which can influence agriculturally relevant ecosystem services and disservices. However, little is known about the effect of landscape structure ...
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(Elsevier, 2014-02-15)Boreal forest landscapes are dynamic with stands in different stages of development following stand-replacing disturbances such as fire and insect outbreaks. Forest edges are an important component of these heterogeneous ...
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(John Wiley & Sons Ltd, 2020-07)Recent climate warming and scenarios for further warming have led to expectations of rapid movement of ecological boundaries. Here we focus on the circumarctic forest–tundra ecotone (FTE), which represents an important ...
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(Elsevier B.V., 2022-04)Cross-habitat movements are crucial for persistence of beneficial insects in agricultural landscapes; however, much remains unknown on how landscape structure affects the spillover of beneficial insects between crop and ...
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(Elsevier Ltd., 2019-10)The expansion of monocultures and the overuse of agrochemicals have resulted in the loss of beneficial insects and disruption of ecosystem services such as pollination and biological control in agricultural landscapes. ...
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(Wiley, 2016-01-27)Question: To what extent do forest edges created by an insect outbreak influence patterns of moose browsing severity, understorey structure and species composition?
Location: Balsam fir‐dominated boreal forest in ...
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(NRC Research Press, 2017-06)Atlantic Coastal Plain Flora (ACPF) are a group of plants mostly inhabiting lakeshores along the Atlantic coast of the United States, with disjunct populations in Nova Scotia and Ontario. To better define their ecological ...
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(International Association for Vegetation Science, 2016-02-07)Questions: What is the distance of edge influence on the structure and understorey composition at 16–17-yr-old cut edges in black spruce boreal forest? How do these edges compare with more recent 2–5-yr-old cut edges in ...
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(NRC Research Press, 2018-06-25)Throughout the forest–tundra ecotone where trees and tall shrubs are becoming more abundant, knowledge of associations between shrubs and surrounding vegetation could inform predictions of their changing relationships. We ...
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(Nature Research, 2018-09-26)The tundra is warming more rapidly than any other biome on Earth, and the potential ramifications are far-reaching because of global feedback effects between vegetation and climate. A better understanding of how environmental ...
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(Finnish Society of Forest Science, 2002-12-31)Fire reconstruction and forest inventory maps provided an opportunity to study changes in stand-level characteristics following fire using a data set comprised of all forest stands of fire origin in an area of over 10 000 ...
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(Wiley, 2011-08-25)Despite many studies on edge influence in forests, there is no common method for estimating distance of edge influence (DEI, = edge width). We introduce a new randomization method (RTEI) for estimating DEI that tests the ...
Now showing items 1-20 of 33